/Engine/Source/Runtime/MovieScene/Public/Evaluation/Blending/BlendableTokenStack.h
Conditionally add a token to this stack if it has a >= hierarchical bias, removing anything of a lower bias
void AddToken ( const [TBlendableToken](API\Runtime\MovieScene\Evaluation\Blending\TBlendableToken)< [DataType](API\Plugins\OptimusCore\DataType) > * TokenToAdd )